One person removed on a stretcher, several others in decontamination showers

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This image shows a seven-story IRS building after a small private plane crashed into the building in Austin, Texas Feb. 18. Another IRS office, in Utah, was reportedly visited by hazmat crews Monday.

Hazardous materials crews were on the scene Monday at the IRS building in Ogden, Utah, where one person was removed on a stretcher and several others were undergoing decontamination showers.

The FBI released no information about the incident at the IRS facility in the Farr West area of Ogden, about 30 miles from Salt Lake City, but local reports suggested that a suspicious white powder may have been found in mail delivered to the facility.

The incident began about 11 a.m. (1 p.m. ET) Monday, 11 days after a Texas man embroiled in a years-long dispute with the IRS crashed his small plane into the agency’s complex in Austin, Texas.